| 单词 | loud hailer |
| 释义 | loud hailer (once / 2954828 pages) n WORD FAMILY loud hailer USAGE EXAMPLESBecause the PA system was not working, cabin crew tried to use a loud hailer to tell passengers but the volume button had fallen off. BBC(Aug 13, 2015) However, the South China Morning Post reported that they were being directed by a “middle-aged Putonghua-speaking woman wearing a face mask using a loud hailer.” Time(Oct 03, 2014) The activists later read out the text by loud hailer to a cheering crowd of about 1,000 outside the building. Reuters(Apr 08, 2014) n a portable loudspeaker with built-in microphone and amplifier Syn|Hyper bullhorn, loud-hailer loudspeaker, loudspeaker system, speaker, speaker system, speaker unit electro-acoustic transducer that converts electrical signals into sounds loud enough to be heard at a distance |
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